Derailer



NM2 299 @38g E, QVIERWERl ET Ai. gpm

DERILER Filed Nov. l2, 1937 2 Sheets-Sheet 2 m n1 fen ons :Zi-521720125 zrmzer Patented Nov. 29, 1938 UNITED STATES 2,138,504 DERAILER.

Emmons Overmier, La

Chicago, and Thomas E. Rodman,

assignors, by mesne Company, Chicago, I ware Grange, Sidney E. Bates,

Glencoe, Ill., assignments, to Poor & 1l., a corporation of Deia- Application November 12, 1937, Serial No. 174,167

Claims.

420 oompanying drawings wherein:

Fig. l is a plan View of a derail block secured to a railroad rail in accordance with this invention.

Fig. 2 is a side view of the derail block and the clamping elements connected therewith.

Fig. 3 is an end View of the derail block illustratng partly in section, the clamping positions of the several clamping elements.

Fig. 4 is a View similar to Fig. 3 but illustrating the clamping elements released from the rail to permit the derail block to be removed therefrom, and

Fig. 5 is a sectional View taken on line 5 5 of Fig. 3.

Referring to the drawings, I l .designates a railroad rail and l l a derail block mounted on the head portion of the rail in a position to elevate a car wheel and direct the ange of said wheel across the top of the rail. The block may be of any suitable construction having a base portion head and having a. wheel flange receiving groove The base portion of the block is provided with a forwardly tapered extension I4 which seats 3 on top of the rail head in advance of the grooved portion of the block so that the tread portion of a wheel will run upon the extension I4 and thereadapted to engage the outer side face of the rail head and project beneath the under surface of the head. A pair of ears |6-l6 and a lug l1 depend from the bottom of the block at the other side of the rail.

flange I5 to permit the derail block to be applied to rail heads of dilerent sizes..

The derail block is removably clamped to the rail by means of The said projection 23 and the inturned end of the angular ange l5 cooperate to lock The other end of with a hook 28 for engaging over the edge of the base ange 29 of the rail. The lever is held clamped to the base ange 22 of the rail by means of a winged nut 3U threaded on the bolt 2l so as to engage the outer face of the lever I8.

present invent1on by means of the screw member which extends through the lever I8 and may be suitably adjusted to bear against the web of the rail adjacent the rail head. Preferably, the screw 20 extends loosely through the lever I 8, but has a threaded engagement with a nut 3| which is non-rotatably iitted in a recess 32 in the is provided with a sliding pin 33 which serves as a lever for operating the screw member 20.

'I'he lever I8 is preferably provided at its upper end with a portion 34 formed with a slot 35 toreceive `the lower end of a signal stai 3 6. Any suitable flag or other signal may be attached to the upper end of the stal 36 to indicate that the section of track, to which the derail block is applied, is closed.

In order to prevent unauthorized removal of the derail block, an ordinary padlock 31 may be applied by inserting the lock bolt through an aperture 38 formed in one of thev ears I6 so as to prevent upward swinging of the lever I8.

When it is desired to remove the derail bloc from the rail, the wing nut 30 is loosened to per-` mit the clamp bolt 21 to be disengaged from the base flange 29. The lever I8 outwardly and upwardly, as shown in Fig. 4 of the drawings, until the inner end of the screw member 20 clears the lower edge of the rail head, whereby the derail block may be removed by a turning movement in the direction indicated by the arrow in Fig. il of the drawings. It will be apparent from the above description, that the derail block can be removed and re-applied to the rail without altering the adjustment of the screw member 20.

While the invention is illustrated in connection with one approved form, it will be understood that the scope of the invention is not restricted to the specic constructions shown and described except insofar as specic limitations appear in the appended claims. y

We claim: Y

1. In combination with a portable derail block adapted to be positioned on the head of a rail and having a depending angular abutment for embracing one side face and the adjacent under surface of a rail head at one side of the rail; means for removably clamping the block to the rail comprising an arm pivotally attached to the block and depending therefrom at the other side of the rail, an adjustable screw member extending through the arm and adapted, upon movement ofthe arm toward the rail, to bear against the rail at a location beneath the head to clamp 4the derail block on the rail, and means engaging the said arm and engaging the rail ange on the rst mentioned side of the rail for holding the arm and said adjustable screw clamped against the vbracing one side face and the rail.

2. In combination with a portable derail block adapted to be positioned on the head of a rail and having a depending angular abutment for emadjacent under surface of a rail head at one side of the rail; means for removably clamping the block to the rail comprisingv an arm pivotally attached to the block and depending therefrom at the other side of the rail, an adjustable screw member extending through the arm and adapted, upon movement of the arm toward the rail, to bear against the rail at a location beneath the head thereof to clamp the derail block on the rail, and means for holding the armV and said adjustable screw member clamped against the rail comprising a bolt engaging thelower portion of said arm and having a hooked end for engaging the rail base iiange on the first mentioned side of the rail; there being a nut threaded on the bolt and engaging the arm to force the arm toward the rail.

3. In combination with a portable derail block adapted to be positioned on the head of a rail and having a depending angular abutment for embracing one side face and the adjacent under surface of a rail head at one side of the rail;

means for removably clamping the block to the rail comprising an arm pivotally attached to the block and depending therefrom at the other side f of the rail, an adjustable screw member extend- `ing through the arm and adapted, upon movecan be then swung f ment of the arm toward the rail, to bear against the rail at a location beneath the head thereof to clamp the derail for holding the arm and said adjustable screw member clamped against the rail comprising a bolt extending through an opening in the lower portion of said arm and having a hooked end for engaging the rail base ange on the rst mentioned side of the rail; the bolt receiving opening in the arm being elongated to facilitate application of the device to rails of different heights and there being a nut threaded on the bolt and engaging the arm to force the arm toward the rail.

4. In combination with a portable derail block adapted to be positioned on the head of a rail and having a depending angular abutment along one side for embracing one side and the adjacent under surface of a rail head; of means for removably clamping the block to the rail comprising an arm pivotally attached to the block, and having a curvedA inner face adapted to bear against an edge portion of a rail base ange, an

adjustable screw member extending through theV upper portion of the arm and adapted, upon movement of the arm toward the rail, to extend beneath the rail head and bear against the vertical web of the rail to clamp the derail block on the rail, and means for releasably holding the said arm and screw member clamped against the rail, whereby the derail block may be quickly removed from the rail and reapplied thereto without disturbing the adjustment of said screw member.

5. In combination with a portable derail block adapted to be positioned on the head of a rail and having a depending angular abutment for embracing one side face and the adjacentfunder surface of a rail headat one side of the rail; oi means for removably clamping the block to the rail comprising an arm pivotally attached to the block and depending therefrom at the other side of the rail and having arcurved inner face adapt- Ved to bear against an edge portion of a rail base flange, an adjustable screw extending through the upper portion of the arm and adapted, upon movement of theY arm toward the rail, to extend beneath the rail head and bear against the vertical web of the rail to clamp the derail block on the rail, and means for releasably holding the said arm and screw member clamped against the rail, comprising a hook bolt extending across beneath the rail base for engagement with the rail base flange on the rst mentioned side of the rail and having a threaded end portion extending through the said arm; the bolt receiving end of the arm being elongated to facilitate application of the device to rails of various sizes and there being a nut threaded on the bolt to force the pivoted arm toward the rail'.V l

6. In combination with a portable derail block adapted tobe'positioned on the headof a rail and having a depending angular abutment along one side for embracing one side and the adjacent. under surface of a rail head; of means for removably clamping the block to the rail comprising a lever pivotally attached to the block to normally hang downwardly into engagement with one ilange of the rail and providedy with a projecting portion which extends beneath the rail head to prevent removal of the block when the lever is in its down position, and a clamp device for releasably clamping the lever in its down position.

7. In combination with a portable derail block adapted to be positioned on thev head of a rail block on the rail, and means releasably clamping the lever against an edge of the rail base.

8. In combination with a portable derail block adapted to be positioned on the head of a rail adjacent said projecting portion, a threaded nut non-rotatably supported in said recess, a threaded screw member extending loosely through said arm but having threaded engagement With said nut, whereby rotation of the screw in one direction moves it into engagement W1th the web of the rail and whereby movement of the lever toedge of the rail base.

9. In combination with a portable derail block adapted to be positioned on the head of a rail and having a depending angular abutment along one side for embracing one side and the adjacent under surface of a rail head; of means for removably clamping the block to the rail comprising a lever pivotally attached to the block and ported 1n said recess, a threaded extending loosely through the lever into clamping engagement with the web of the rail, and means adjustably connected with the block adapted to be positioned on the head of a rail and having a depending angular abutment side for embracing one side and the adjacent under surface of a rail head; o-f means for removably clamping the block to the rail comprising a lever pivotally attached tothe block and having 

